Home / 12,530.02-18,783.84-4,744.30

Finding the Fourth Proportional to 12,530.02, 18,783.84 and 4,744.30

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Solution

The fourth proportional to 12,530.02, 18,783.84 and 4,744.30 is: 7,112.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,530.02 : 18,783.84 = 4,744.30 : x
  2. Step 2: Convert to fraction form
    12,530.02/18,783.84 = 4,744.30/x
  3. Step 3: Cross multiply
    12,530.02x = 18,783.84 × 4,744.30
  4. Step 4: Simplify right side
    12,530.02x = 89,116,172.11
  5. Step 5: Solve for x
    x = 89,116,172.11/12,530.02
  6. Step 6: Final answer
    x = 7,112.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.